Title:
ポリベンゾビスオキサゾール含有ポリマーの製造方法
Document Type and Number:
Japanese Patent JP4938775
Kind Code:
B2
Abstract:
A method of making polybenzobisoxazole containing polymer by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming a solidified polymer and heating the solidified polymer wherein ring closure occurs in the hydroxylated polymer.
Inventors:
Lee, Kiu-Seung
Application Number:
JP2008521521A
Publication Date:
May 23, 2012
Filing Date:
July 12, 2006
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
C08G73/22
Domestic Patent References:
| JP4745393B2 |
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Gen Tashiro
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Gen Tashiro